What aspect of human nature, that still exists today, was revealed when a self-propelled steam engine was first put to use in the U. S. in 1841? O Businesses could no longer bargain for payment before putting out the fire.
Firefighters and citizens alike celebrated this great invention
Chimney sweeps still had their chimneys to clean and maintain
Firefighters sabotaged it because they were afraid it would put them out of business.